stall performance 中文意思是什麼

stall performance 解釋
失速性能
  • stall : n 1 畜舍的一個隔欄;馬房,牛棚。2 (房舍內的)分隔小間;〈美國〉汽車間。3 售貨攤;棚店;售品陳列...
  • performance : n. 1. 執行,實行,履行;完成;實現;償還。2. 行為,動作,行動;工作。3. 性能;特性。4. 功績;成績。5. 演奏;彈奏;演出;(馴獸等的)表演;把戲。6. 【物理學】演績。
  1. The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces

    應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失速角和最大升力,並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。
  2. The experiments show that ultrasonic motors can operate under vacuum condition, but the performance is different from that under general condition, its unloaded speed decreases significantly, while the stall - torque increases a bit

    試驗結果表明,超聲電機可以在真空環境下工作,但性能較常態環境下有所變化,其空載轉速明顯下降,堵轉力矩有所增大。
  3. The result control system is demonstrated using post - stall maneuver simulation, the results show that this control law achieves a high level performance in post - stall maneuver conditions even if the aircraft model has large uncertain items

    結果表明,在存在較大模型誤差的情況下,所設計的飛控規律完全能在過失速機動條件下控制飛機跟蹤指令飛行。
  4. Thrust vectoring is the key technique for the modem fighter with agility and post - stall maneuver ability and good flight quality. and now it is the necessary technique for the fourth generation fighter and hot technique for the performance improvement for the third generation fighter

    推力矢量技術是現代戰機具有敏捷性、過失速機動能力、良好的飛行品質的關鍵技術,其已成為第四代戰斗機的必備技術和第三代戰斗機改型的熱門技術,得到了越來越多的重視。
  5. Numerical simulation shows that, at small and medium c, multi - slot circulation control can increase the lift of the airfoil and reduce the amount of the energy expense, and that it can improve the aerodynamic performance of cca at higher mach numbers by avoiding the “ compressibility stall

    結果表明,多噴口環量控制方法可以在中、小c吹氣時提高翼型的升力和減小能耗,並能改善環量控制翼型在較高來流馬赫數下的氣動性能,避免「壓縮性失速」 。
  6. In t his p aper r otating s tall a nd t he inlet v ortex in c entrifugal fans with inlet v ane control has been studied in laboratory. the harmonic wavelet is firstly used for time - frequency analysis and feature extraction of pulsation amplitude and frequency and development of rotating stall and inlet vortex. the development rule of rotating stall and inlet vortex and the effect to fans performance from the two has been found

    文中對採用入口導流器調節的離心通風機的旋轉失速和進口渦流問題進行了實驗研究,並藉助諧波小波對旋轉失速和進口渦流的頻率、幅值特性及動態過程進行了時頻分析和特徵提取,揭示了旋轉失速和進口渦流發展的規律及二者對風機性能的影響。
  7. The mechanism of two possible ways of thrust vectoring control : force and moment control are analyzed. the effects of thrust vectoring on aircraft supersonic performance, take - off and landing performance, low speed and high angle of attack performance are studied. the air combat effectiveness of thrust vectoring control and post - stall maneuvers are also analyzed

    5 、分析了推力矢量的兩種應用方式:力控制和力矩控制的機理,研究了推力矢量對飛機超音速性能、起降性能、低速大迎角性能的影響,討論了推力矢量與過失速機動對空戰效能的影響。
分享友人